The Hose,air Duct, cataloged under National Stock Number 4720-01-047-8654, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Aircraft Parts Co. Government technical data includes 17 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-01-047-8654 |
| Primary Part Number | BACD40A12-268-7A41 |
| Item Name | Hose,air Duct |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Aircraft Parts Co |
| Status | ACTIVE |
| Measuring Method and Length | 70.500 INCHES NOMINAL OVERALL IN |
| Minimum Inside Bending Radius | 3.000 INCHES IN |
| Connection Style | ROUND FIRST END |
| Connection Type | SOFT FIRST END |
| Style Designator | HELICALLY WOUND CONTINOUS WIRE SUPPORTED |
| Material Document and Classification | MIL-Y-1140 MIL SPEC SINGLE MATERIAL RESPONSE REINFORCING CORD |
| Cross-Sectional Shape Style | ROUND |
| Wall Thickness | 0.010 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN |
| Operating Pressure | 4.5 POUNDS PER SQUARE INCH (PSI) NOMINAL EXTERNAL LBS |
| Nondefinitive Spec/std Data | 1 CLASS AND D GRADE AND 1 TYPE |
| Inside Diameter | 3.000 INCHES NOMINAL FIRST END IN |
| End Overall Length | 1.750 INCHES NOMINAL FIRST END IN |
| End Inside Diameter | 3.000 INCHES NOMINAL FIRST END IN |
| Material | COTTON AND FIBERGLASS THIRD PLY |
| Material | FIBERGLASS REINFORCING CORD |
| Material | STEEL SECOND PLY |
| Material | COTTON AND FIBERGLASS FIRST PLY |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| BACD40A12-268-7A41 | Aircraft Parts Co (USA) |
| BACD40A12-268-7A41 | Flexfab Llc (USA) |
| BACD40A12-268-7A41 | Bemco, Inc (USA) |
| Reference | Meaning |
|---|---|
| BACD40A | D/9 Drawing number reference only U.S. Government activity |
| BACD40A12-268-7A41 | 3/2 Design control — primary reference U.S. Government activity |
| BACD40A12-268-7A41 | 5/2 Secondary reference U.S. Government activity |
NSN 4720-01-047-8654 is a Hose,air Duct, manufactured by Aircraft Parts Co, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-047-8654 has 3 manufacturer part numbers on file: BACD40A12-268-7A41 (Aircraft Parts Co), BACD40A12-268-7A41 (Flexfab Llc), BACD40A12-268-7A41 (Bemco, Inc).
Key specifications for BACD40A12-268-7A41: Measuring Method and Length: 70.500 INCHES NOMINAL OVERALL IN; Minimum Inside Bending Radius: 3.000 INCHES IN; Connection Style: ROUND FIRST END; Connection Type: SOFT FIRST END. 17 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.